Answer:
A?
Explanation:
I believe that a would be the best answer. this is because dna stays safe while rna travels making new copies for what is needed
Answer:
Blood vessels are the channels or conduits through which blood is distributed to body tissues. The vessels make up two closed systems of tubes that begin and end at the heart. One system, the pulmonary vessels, transports blood from the right ventricle to the lungs and back to the left atrium.
Explanation:
DNA is the bio molecule that contains all of the organisms genes. when cell divides through mitosis, the daughter cells contains exact copies of DNA from both of its parents.
Answer:
A substance that releases hydrogen ions in water.; A substance that tastes sour.; A substance with a pH below 7.
Explanation:
An acid reacts with water releasing Hydrogen ions, this leads to a decrease in pH, below neutral or 7. The Hydrogen ions also give a sour taste.
Answer:Prion diseases occur when normal prion protein, found on the surface of many cells, becomes abnormal and clump in the brain, causing brain damage. This abnormal accumulation of protein in the brain can cause memory impairment, personality changes, and difficulties with movement.
Explanation: Hope this helps please mark me as brainliest